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标题: UL1993标准疑问 [打印本页]

作者: yang1933    时间: 2012-1-27 16:13
标题: UL1993标准疑问
在UL1993中8.18 End-of-life test for integral, self-ballasted fluorescent lamps – one filament emission-mixfree test,这个emission-mixfree test是什么测试啊?求专家指点啊!
作者: 59779520    时间: 2012-1-27 16:13
是模拟荧光灯寿命将尽的状态测试.类似GB里也有这个测试.判断测试是否PASS的条件如下:
a) Any flaming is contained in the enclosure,
b) There are no burn-through openings created in the enclosure,
c) There are no dislodged particles of glass larger than 3 mm (0.1 in),
d) The combined area of any charred black spots does not exceed 75 mm2 (0.12 in2) [not
including the area described in (e)],
e) There is no charred black area around the tube wider than 3 mm (0.1 in) measured
perpendicular to the bulb wall, and
f) No more than a small amount of smoke, similar to that of an overheated 1 W carbon resistor,
is emitted.
作者: yang1933    时间: 2012-1-27 16:13
可以说说测试的具体情况吗?
作者: d601022246    时间: 2012-1-27 16:13
原文 :
可以说说测试的具体情况吗?
emission-mix-free test就是灯丝单端发射测试,测试方法如下:

(1)准备6PCS样品,3pcs一端发射,另外3PCS对端发射;

(2)在自由环境下,灯头在上,在输入电压和频率下使光源工作(包装说明灯泡不会出现灯头不会在上运行时除外);

(3)测试过程中,观察灯泡是否会出现起火,冒烟,或泡壁产生裂纹。灯泡有起火迹象,立即终止测试;
作者: yang1933    时间: 2012-1-27 16:13
谢谢,我懂了!
作者: gzsl2009    时间: 2012-1-27 16:13
学习了!




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